Clarify in README that it's AMD GPUs.

README.md

@@ -83,7 +83,7 @@ Put your VAE in: models/vae
 
 At the time of writing this pytorch has issues with python versions higher than 3.10 so make sure your python/pip versions are 3.10.
 
-### AMD (Linux only)
+### AMD GPUs (Linux only)
 AMD users can install rocm and pytorch with pip if you don't have it already installed, this is the command to install the stable version:
 
 ```pip install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/rocm5.4.2```